//rotating thumb functions
var changing_thumbs = new Array();
function changeThumb(index, i, num_thumbs, path)
{
	if(!document.getElementById("hidden_image")) {
		var newimg = document.createElement('img');
		newimg.setAttribute('id', 'hidden_image');
		newimg.style.display = 'none';
		document.body.appendChild(newimg);
	}
    if (changing_thumbs[index])
    {
        hidden_image_id = (i + 1) % num_thumbs;
        
        document.getElementById(index).src = path + "/thumb" + i + ".jpg";
        document.getElementById("hidden_image").src = path + "/thumb" + hidden_image_id + ".jpg";
        
        i = i % num_thumbs;
        i++;
        setTimeout("changeThumb('" + index + "'," + i + ", " + num_thumbs + ", '" + path + "')", 600);
    }
}    
function startThumbChange(index, num_thumbs, path)
{   
	if(!changing_thumbs[index]) 
	{
		changing_thumbs[index] = true;
	    
	    changeThumb(index, 1, num_thumbs, path);
	}
}
function endThumbChange(index, path)
{
    changing_thumbs[index] = false;
    document.getElementById(index).src = path;
}